package cn.tedu.sp02.item.controller;

import cn.tedu.sp01.pojo.Item;
import cn.tedu.sp01.service.ItemService;
import cn.tedu.web.util.JsonResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Random;

@Slf4j
@RestController
public class ItemController {
    @Autowired
    private ItemService itemService;

    @Value("${server.port}")
    private int port;

    //获取订单的商品列表
    @GetMapping("/{orderId}")
    public JsonResult<List<Item>> getItems(@PathVariable String orderId) throws InterruptedException {
        log.info("server.port="+port+", orderId="+orderId);

        //模拟延迟代码
        if(Math.random()<0.9){
            long t = new Random().nextInt(5000);
            log.info("延迟: "+t);
            Thread.sleep(t);
        }

        List<Item> items=itemService.getItems(orderId);
        return JsonResult.ok(items).msg("port="+port);
    }

    //减少商品库存
    /*
    @RequestBody    完整接收请求协议体中的数据
    post请求才有协议体
     */
    @PostMapping("/decreaseNumber")
    public JsonResult<?> decreaseNumber(@RequestBody List<Item> items){
        for (Item item:items){
            log.info("减少商品库存: "+item);
        }
        itemService.decreaseNumbers(items);
        return JsonResult.ok();
    }

}



























